What is use of inner class in java?
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What is an abstract class and what is it’s purpose?
What do you mean by scope of variable?
What are the differences between this and super keyword?
Can inner class have constructor?
How many wrapper classes are there in java?
What is the difference between pass by reference and pass by pointer?
If an object is garbage collected, can it become reachable again?
How GUI component handle its own events?
What is java util function?
Is array size fixed in java?
If I have 1000 objects and my requirement is to sort them quickly, then which collection would you recommend and why?
What are the four integer types supported by java?